157727201004 has 18 divisors (see below), whose sum is σ = 398699313740. Its totient is φ = 52575733656.

The previous prime is 157727201003. The next prime is 157727201057. The reversal of 157727201004 is 400102727751.

157727201004 is a `hidden beast` number, since 1 + 577 + 2 + 72 + 0 + 10 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4381311139 = 157727201004 / (1 + 5 + 7 + 7 + 2 + 7 + 2 + 0 + 1 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 157727201004.

It is not an unprimeable number, because it can be changed into a prime (157727201003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2190655534 + ... + 2190655605.

Almost surely, 2^157727201004 is an apocalyptic number.

It is an amenable number.

157727201004 is an abundant number, since it is smaller than the sum of its proper divisors (240972112736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157727201004 is a wasteful number, since it uses less digits than its factorization.

157727201004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381311149 (or 4381311144 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

Adding to 157727201004 its reverse (400102727751), we get a palindrome (557829928755).

The spelling of 157727201004 in words is "one hundred fifty-seven billion, seven hundred twenty-seven million, two hundred one thousand, four".